Vulnerability in Oauth-Ruby Project

CVE-2016-11086

lib/oauth/consumer.rb in the oauth-ruby gem through 0.5.4 for Ruby does not verify server X.509 certificates if a certificate bundle cannot be found, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information.

Vulnerability class: Improper Certificate Validation

EPSS: 0.007 (51.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-11086?
CVE-2016-11086 is a high-severity vulnerability in Oauth-Ruby Project, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2020-09-24.
How severe is CVE-2016-11086?
High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2016-11086 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.